This is the third year in a row in which the two tech conferences have gone nearly head-to-head, helping to launch more than 100 new companies each September. We tell you which of the latest bumper crop you're able to get your hands on.

The twice-a-year Demo conference is full of companies that are just showing off their products for the first time. As a result, you often can't use them until weeks or months after. Here are 10 that are open right now that we think you'll dig.